Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 568 · 40 questions

What you do (Up as vapour, down as drops): 1. Pour some water into the big bowl and stand the small cup in the middle. 2. Cover the bowl tightly with cling film. 3. Put a few ice cubes on top of the film, over the cup. 4. Leave it in the sun for an hour and look for drops in the cup.

1. 1.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) ice cubes (b) a big bowl (c) sunlight (d) a battery cell
2. 2.True or false: sweat drying on skin is melting. (a) False (b) True
3. 3.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) ice cubes (b) cling film (c) a big bowl (d) turmeric powder
4. 4.🛟 What should you do with wet floors after the experiment? (a) pour more water (b) leave them wet (c) wipe them dry (d) slide on them
5. 5.🧺 Do we need water for the water cycle bowl? (a) not needed (b) needed
6. 6.🔮 Predict: a bowl of water is left uncovered in the hot sun all day. What happens? (a) the water increases (b) it turns to salt (c) some water evaporates (d) it turns to ice
7. 7.💧 What happens to water vapour when it touches the cold cling film? (a) it turns to drops (b) it disappears (c) it turns to salt (d) it turns to smoke
8. 8.🧺 Do we need a balloon for the water cycle bowl? (a) needed (b) not needed
9. 9.⚖️ Fair test — does a bowl in the sun make more drops than a bowl in the shade? Which of these is kept the same? (a) sun or shade (b) how many drops form (c) the amount of water
10. 10.💧 Which change is this: sweat drying on skin? (a) evaporation (b) condensation (c) melting (d) freezing
11. 11.⚖️ Fair test — does a bowl in the sun make more drops than a bowl in the shade? What do we do with “how many drops form”? (a) we change it (b) we measure it (c) we keep it the same
12. 12.True or false: sweat drying on skin is evaporation. (a) False (b) True
13. 13.⚖️ Fair test — does a bowl in the sun make more drops than a bowl in the shade? What do we do with “the time we wait”? (a) we change it (b) we measure it (c) we keep it the same
14. 14.💧 Which of these is evaporation? (a) water becoming ice (b) butter going runny (c) ice becoming water (d) a puddle drying up
15. 15.⚖️ Fair test — does a bowl in the sun make more drops than a bowl in the shade? True or false: sun or shade is the one thing we change. (a) False (b) True
16. 16.💧 Which of these is freezing? (a) water becoming ice (b) a puddle drying up (c) wet clothes drying (d) sweat drying on skin
17. 17.⚖️ Fair test — does a bowl in the sun make more drops than a bowl in the shade? Which of these is the one thing we change? (a) the cling film cover (b) sun or shade (c) how many drops form (d) the amount of water
18. 18.⚖️ Fair test — does a bowl in the sun make more drops than a bowl in the shade? True or false: the size of the bowl is kept the same. (a) True (b) False
19. 19.💧 In the covered bowl, where does the water vapour come from? (a) the air outside (b) water warmed by the Sun (c) the bowl itself (d) the cling film
20. 20.True or false: butter going runny is melting. (a) True (b) False
21. 21.🔮 Predict: you put ice cubes on top of the cling film. What happens? (a) the bowl freezes (b) more drops form (c) the water turns red (d) fewer drops form
22. 22.💧 Why do water drops form on the outside of a glass of ice water? (a) ice escapes the glass (b) vapour in air cools (c) the glass leaks (d) the glass sweats
23. 23.True or false: sunlight is needed for the water cycle bowl. (a) True (b) False
24. 24.True or false: a big bowl is not needed for the water cycle bowl. (a) False (b) True
25. 25.🧺 Which of these is needed for the water cycle bowl? (a) cling film (b) a magnet (c) a battery cell (d) a balloon
26. 26.💧 Which change is this: a pond icing over? (a) melting (b) freezing (c) evaporation (d) condensation
27. 27.⚖️ Fair test — does a bowl in the sun make more drops than a bowl in the shade? True or false: the size of the bowl is the one thing we change. (a) False (b) True
28. 28.💧 Which change is this: wet hair drying? (a) melting (b) freezing (c) evaporation (d) condensation
29. 29.🛟 Why should only a grown-up handle any hot water? (a) hot water can scald (b) it changes colour (c) hot water is magnetic (d) hot water is heavy
30. 30.True or false: making ice lollies is melting. (a) True (b) False
31. 31.🧺 Which of these is needed for the water cycle bowl? (a) turmeric powder (b) sunlight (c) yeast (d) a battery cell
32. 32.⚖️ Fair test — does a bowl in the sun make more drops than a bowl in the shade? True or false: the amount of water is kept the same. (a) False (b) True
33. 33.True or false: a mirror is needed for the water cycle bowl. (a) True (b) False
34. 34.💧 Which change is this: water becoming ice? (a) condensation (b) evaporation (c) freezing (d) melting
35. 35.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) sunlight (b) a mirror (c) water (d) ice cubes
36. 36.💧 Which of these is freezing? (a) making ice lollies (b) a misty bathroom mirror (c) butter going runny (d) drops under a pot lid
37. 37.🧺 Which of these is not needed for the water cycle bowl? (a) a balloon (b) sunlight (c) a big bowl (d) cling film
38. 38.💧 Which of these is freezing? (a) a misty bathroom mirror (b) a puddle drying up (c) drops on a cold glass (d) a pond icing over
39. 39.⚖️ Fair test — does a bowl in the sun make more drops than a bowl in the shade? What do we do with “sun or shade”? (a) we change it (b) we measure it (c) we keep it the same
40. 40.True or false: a puddle drying up is melting. (a) False (b) True

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